522003020 has 192 divisors, whose sum is σ = 1467777024. Its totient is φ = 150958080.

The previous prime is 522002959. The next prime is 522003049. The reversal of 522003020 is 20300225.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 522002986 and 522003004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3324782 + ... + 3324938.

It is an arithmetic number, because the mean of its divisors is an integer number (7644672).

Almost surely, 2^522003020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733888512).

522003020 is an abundant number, since it is smaller than the sum of its proper divisors (945774004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522003020 is a wasteful number, since it uses less digits than its factorization.

522003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 522003020 is about 22847.3854084007. The cubic root of 522003020 is about 805.1763408806.

522003020 divided by its sum of digits (14) gives a triangular number (37285930 = T₈₆₃₅).

Adding to 522003020 its reverse (20300225), we get a palindrome (542303245).

The spelling of 522003020 in words is "five hundred twenty-two million, three thousand, twenty".